Answered: a) Explain the importance of thermal…

Engineering

Electrical Engineering

a) Explain the importance of thermal management of electronics devices.

EBK ELECTRICAL WIRING RESIDENTIAL

19th Edition

ISBN:9781337516549

Author:Simmons

Publisher:Simmons

Chapter19: Special-purpose Outlets-water Pump, Water Heater

Section19.2: Water Heater Branch Circuit

Problem 8R: For residential water heaters, the Consumer Product Safety Commission suggests a maximum temperature...

See similar textbooks

Related questions

Q: BASIC POWER ELECTRICAL ENGINEERING course.

Q: A) A solid specimen of dielectric, dielectric constant of 4.5, shown in the figure has an internal…

Q: is a typical configuration of an exothermic chemical reaction occurring in a Continuous Stirred Tank…

A: Introduction: The jacketed stirred reactor is a self regulating processes. That is, the measured…

Q: Q5: Choose A or B A) A solid specimen of dielectric, dielectric constant of 4.5, shown in the figure…

A: As per Bartleby guidelines we are allowed to solve only one question, please ask the rest again.

Q: 9.102. A runner generates 418 kJ of energy per kilometer from the cellular oxidation of food. The…

A: Given data, Energy per km is given 418 KJ Energy density is given, 44 KJ/mol Distance of race is 10…

Q: A) What is an emf of self-induction? a) when there is an induced emf in a circuit due to a change of…

A: NOTE: “Since you have asked multiple question, we will solve the first question for you. If you want…

Q: A) A solid specimen of dielectric, dielectric constant of 4.5, shown in the figure has an internal…

A: The given specimen of the dielectric is shown below: If the applied voltage is known, the voltage…

Q: An electrical cartridge heater is used to heat water to a temperature of 50C in a manufacturing…

A: Here, we have given a problem related to an electrical water heater. We are using this electrical…

Q: The wires of our appliances are insulated with a material mixed with rubber, which has a very high…

A: Given: l=2.5m outer diameter= 5mm inner diameter = 0.5mm wire material is Copper. Resistivity of…

Q: In steam power station: What are the benefits of superheater? What are the Qi advantages of water…

Q: Q(2): A steam power plant operates on an ideal reheat Rankeine cycle between the pressure limits of…

A: Given data is P1=10kPaP2=15MPam=12 kg/s The figure can be drawn as

Q: From the image provide find A) what is the emf and show the loops/junctions used. B) What is the…

Q: Table 1: 1N4148 Specification Assumption: Ambient temperature is 25 degrees celsius Parameter…

A: Mode of operation of zener diode Active mode ( work as ON state) Cut off Mode ( Work as OFF State)…

Q: Explain the operation of thermochemical energy storage system.

A: Thermal energy from the sun can be stored as chemical energy in a process called solar…

Q: Which of the following is a true statement concerning the production of electricity in conventional…

A: given data: Which of the following is a true statement concerning the production of electricity in…

Q: Q1/B/ Sketch the design flow chart for the cooling power electronics microchips.

A: Cooling power electronics microchips : Cooling power electronics microchip is a device which is used…

Q: At a proposed hydro-electric power plant site, the average elevation of the headwater is 600 m, the…

A: Given,Qnet=Hh-Ht×1-0.04where,Hh=head of headwaterHt=head of tailendQnet=600-480×0.96 =120×0.96…

Q: A J- type thermocouple is used to measure the temperature in a heating process. The length of the…

Q: 9.(a) A three-phase, half-wave rectifier feeding a resistive load is supplied by a star/star type of…

A: In this question we need to find a firing angle of the given three phase half wave rectifier . For…

Q: A J- type thermocouple is used to measure the temperature in a heating process. The length of the…

Q: III-Defined the thermodynamic temperature scale (with absolute zero temperature) for non-ideal gas…

A: Thermodynamic temperature scale is defined as: PPTP=ϑ273.16K where the greek letter ϑ indicates real…

Q: - A square chip, with side ? = 5 mm, operates under isothermal conditions. The chip is positioned on…

A: According to the question we have to find maximum allowable power.

Q: A shell and tube heat exchanger, with two tube passes and one shell pass, is used to cool the…

A: According to the question we have to calculate the value of output temperature Tc with the help of…

Q: (d) Discuss the internal and external stability of the system.

A: It is asked to discuss the internal and external stability of a system.

Q: If the value of the thermal voltage is 25.5 mV, then estimate the ambient temperature. Assume…

A: Thermal voltage is a very important parameter in semiconductor devices. It is a function of…

Q: Discussion 1- For the values = 0.7 and @, = 2 find the rise time, peak time, settling time, and the…

A: Given the value of ζ=0.7 and ωn=2 From this the value of ωd=ωn1-ζ^2ωd=21-0.7…

Q: Q-2/ An office room has an area of 7*5 square meter and 4m height, this room is heated by the…

A: Following are the parameters and values that are provided in the above question.

Q: A young solar energy enthusiast is planning to install a photo-voltaic system in a location where…

A: Given data: Average solar irradiance = 5kW-hr/m2 Total area = 5*2m2 = 10 m2 Cell efficiency = 18%…

Q: a) Explain in detail anyone the following: i) Steady-state stability ii) Dynamic-state stability…

A: i) Steady-state stability In this stability analysis, the disturbance in the power system is very…

Q: The effective life of a component used in a jet-turbine aircraft engine is a randol 5000 hours and…

Q: For many years, the world has relied on fossil fuels as the main primary energy source. Fossil fuels…

A: What Is Renewable Energy? Renewable energy, often referred to as clean energy, comes from natural…

Q: 2. a) Explain briefly the physical principle/mechanism generating thermal noise with an example b)…

A: Noise- Noise is sound, unwanted at a certain place and time. Although sound often is produced by…

Q: 1 What is the standard Deviation ? Describe a scenario in which you would use each by given an…

A: We’ll answer the first question since the exact one wasn’t specified. Please submit a new question…

Q: Q 6. Discuss the importance of Maximum Power Point or Ideal operation point of a PV Cell and how is…

A: PV cell is also known as Photovoltaic cell or solar cell is an electrical device that converts solar…

Q: An Otto cycle operates with volume of 50 cm^3 and 500 cm^3 at TDC and BDC, respectively. If the…

A: Given, Minimum volume=50 cm3 Maximum volume=500 cm3 Power output =100kW k=1.35

Q: How is the type of boiler selected in a certain thermal power plant? Discuss the effects depend upon…

A: As we know that the boiler is a device used to generate the steam by applying heat energy to water.…

Q: You work as a material engineer at an aircraft development, manufacturing and maintenance company in…

A: a) Switch reluctance motor is widely used in the aircraft due to its advantages over the other…

Q: What is the process from raw materials, to crude oil energy to used to charge your cell phone

A: To explain the process

Q: What is Energy crisis? What are the causes of energy crisis? Explain the consequences and possible…

A: The energy crisis is defined as the shortage of energy with respect to the demand. The energy crisis…

Q: Steam at 140 ° C flows in a pipe having an inner radius of 50 mm and an outer radius of 55 mm. The…

A: a) The given data is stated below: Inside radius Ri=50 mmOuter radius R0=55 mmHeat transfer…

Q: a. Description of lamp-ballast system

A: Since you have asked multiple question, we will solve the first question for you. If youwant any…

Q: Which is TRUE about Geothermal Energy? A. It can be generated either in geothermal power plants or…

A: We need to tell which of the given statements are true about Geothermal energy.

Q: Studies indicate that between the present and 2050, substantial growth in population and energy…

A: Given data: The total population of LDCs at the present day: 5.1×109 The total population of LDCs in…

Q: A solid specimen of dielectric dielectric constant of 4.0, shown in the figure has an internal void…

A: Given: Dielectric constant εr=4 Internal void thickness d1=1mm Specimen thickness = 1 cm Breakdown…

Q: Choke C = 20µF r= 60 L= 125mH Supply Fluorescent 230V Tube RMS

A: When a current passes through a choke, Inductor opposes the sudden change in current and generates…

Q: a) A battery is rated at 12V, 180 Ah@20hrs. What could be its maximum charging current? And current…

A: life(hrs)=ampere-hour (Ah) ratingamperes drawn (A) amperes drawn (A)=ampere-hour(Ah)…

Question

a) Explain the importance of thermal management of electronics devices.

(b) Heat sink rated at 10°C/W will get 10°C hotter than the surrounding air when it dissipates 1 Watt of heat. Discuss the suitability of heat sink for above scenario in terms of thermal resistance.

(c) Thermocouples are commonly used to measure temperature. There can be errors due to heat transfer by radiation. Consider a black thermocouple in a chamber with black walls

Suppose the air is at 20 °C, the walls are at 100 °C, and the convective heat transfer coefficient is 15 Wm-2 k -1 .

a) What temperature does the thermocouple read?

b) If thermos couple sees a higher temperature than air, how could you reduce this error?

Expert Solution

This question has been solved!

Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.

SEE SOLUTION Check out a sample Q&A here

Step 1

VIEW

Step 2

VIEW

Step by step

Solved in 2 steps

SEE SOLUTION Check out a sample Q&A here

Similar questions

For residential water heaters, the Consumer Product Safety Commission suggests a maximum temperature setting of ___________ F (_____________ C). Some states have laws stating a maximum temperature setting of ____________ F (________________ C).
Briefly explain environmental issues in regard to thermal power plants
Thermal question. A system has two thermal layers. The first layer has a Rth 0.5 K/W, and Cth 0.8 J/K, and the second layer has a Rth 0.2 K/W, and Cth 0.4 J/K. The ambient air temperature is 50 °C. The power dissipation in the system is 100 W. What is the temperature of the second layer 5 s after a system is switched off? Please do not include any units in your answer.
A single-phase half wave uncontrolled rectifier circuit is operating with a purely inductive load and a source voltage of 100 sin (277t) V. An ideal PMMC ammeter is connected in series with the inductive load reads 20 A. Calculate the distortion factor of the rectifier. Answer Choices: a. 0.866 b. 0.707 c. 0.577 d. 0.816
13. At what amperage differences will a GFCI trip? 14. What do DC and AC stand for? 15. True or False: An electron holds a positive charge
a) Explain the operation of the controlled full-wave bridge rectifier shown in figure 3. b) The controlled full-wave bridge rectifier shown in figure 3 has a source 120 V rms at 60 Hz, R = 1092, L=20 mH, and a = 60°. Determine: i. An expression for the load current. ii. The average load current. iii. The power absorbed by the load. iv. Sketch the graph of the output waveform. Vs S₁ S4 Figure $3 $₂ Lo Vo
1. Explain with a neat block diagram the measurement of temperature using Thermistor (measuring system). 2. With neat diagram explain the construction and working principle of RTD.
DESCRIPTION OF SIMILARITIES AND DIFFERENCES OF DC AND AC CIRCUITS WITH RESISTIVE AND CAPACITIVE PASSIVE ELEMENTS
Design of a DC-DC Converter. The Circuit Below shows a basic Buck-Boost Converter with a highly inductive Load. With a Deliberate mistake in the configuration of the Circuit Connection. The Value of L1 is 22mH, C1 is 10uF, R1 is 220 and L2 is 10mH. The circuit operates with a switching frequency of 20KHZ. The Duty cycle of the Clock signal V2 is given by the function below: ( 17 ) х0.2 Duty Cycle, k = 0. 55 + 100 Your Unique Duty Cycle = %3D Buck-Boost Converter Q1 IRG4BC10U D1 R1 222 1N4009 C1 LV1 12V L1 22mH 10µF L2 10mH a) Find the mistake in the configuration of the circuit and correct the connection error.
Define the term temperature coefficient
1- A). Which of the following could be used as a discharge device in an inductive AC circuit? a) resistor b) diode c) metal oxide varistor d) "a" and "c", not "b" B. What is the purpose of a discharge device used in conjunction with opening a highly inductive circuit? a) to minimize the possibility of damage to the circuits insulation as a result of a high induced voltage b) to minimize the possibility of endangering the life of the person opening the controlling switch c) to allow the magnetic field to gradually collapse, thus limiting the value of the self-induced ernf d) all of the above C. The high voltage induced by an inductor when its circuit is opened could be used constructively for a) an automotive ignition system b) an electric fence c) both "a" and "b" d) neither "a" nor "b"
Which change to the circuit will not extend the charging time of one time constant.a. Increasing the value of the capacitorb. Increasing the value of the resistorc. Increasing the voltage from 15 to 20 volts